Task 1 · easy
Element of 81
Calculate the 81.
Hint and solution →Original practice tasks · Math · Class 8
Start with the easier exercises and work your way up. Every task has a hint and a full step-by-step solution — try it on your own first, then unlock the solution and compare.
Easy
7
Medium
14
Hard
7
Task 1 · easy
Calculate the 81.
Hint and solution →Task 2 · medium
Calculate the area of the square root of the square root of the square root of the square root of the square root of the square root.
Hint and solution →Task 3 · medium
Calculate the 125.
Hint and solution →Task 4 · hard
Simplify the 50.
Hint and solution →Task 5 · easy
Simplify the '72.
Hint and solution →Task 6 · medium
Calculate 31⁄5 + 41⁄5.
Hint and solution →Task 7 · medium
Calculate 9⁄3 - 21⁄3.
Hint and solution →Task 8 · hard
Calculate the 3 times the square root of 12 and simplify.
Hint and solution →Task 9 · easy
The square is 98 cm2. Enter the length of the side in the simplest form.
Hint and solution →Task 10 · medium
The hypotenuse is 2 cm and 3 cm. Calculate the hypotenuse.
Hint and solution →Task 11 · medium
Oblicz √169.
Hint and solution →Task 12 · hard
Oblicz √196.
Hint and solution →Task 13 · easy
Oblicz √225.
Hint and solution →Task 14 · medium
Oblicz √256.
Hint and solution →Task 15 · medium
Oblicz √289.
Hint and solution →Task 16 · hard
Oblicz √324.
Hint and solution →Task 17 · easy
Oblicz √361.
Hint and solution →Task 18 · medium
Oblicz √4.
Hint and solution →Task 19 · medium
Oblicz √9. Pokaż co najmniej dwa kroki obliczeń.
Hint and solution →Task 20 · hard
Oblicz √16. Pokaż co najmniej dwa kroki obliczeń.
Hint and solution →Task 21 · easy
Oblicz √25. Pokaż co najmniej dwa kroki obliczeń.
Hint and solution →Task 22 · medium
Oblicz √36. Pokaż co najmniej dwa kroki obliczeń.
Hint and solution →Task 23 · medium
Oblicz √49. Pokaż co najmniej dwa kroki obliczeń.
Hint and solution →Task 24 · hard
Oblicz √64. Pokaż co najmniej dwa kroki obliczeń.
Hint and solution →Task 25 · easy
Oblicz √81. Pokaż co najmniej dwa kroki obliczeń.
Hint and solution →Task 26 · medium
Oblicz √100. Pokaż co najmniej dwa kroki obliczeń.
Hint and solution →Task 27 · medium
Oblicz √121. Pokaż co najmniej dwa kroki obliczeń.
Hint and solution →Task 28 · hard
Oblicz √144. Pokaż co najmniej dwa kroki obliczeń.
Hint and solution →Ten sam temat w wersji na kartkę: instrukcja, zadania i miejsce na odpowiedzi. Wydruk jest bezpłatny.
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